// ==UserScript==
// @name         Douyin live stream optimization（优化网页）
// @namespace    http://tampermonkey.net/
// @version      0.92
// @description  自动检测特定元素并刷新页面，同时优化观看体验
// @match        https://*.douyin.com/*
// @grant        none
// @license      MIT
// @downloadURL https://update.greasyfork.icu/scripts/502481/Douyin%20live%20stream%20optimization%EF%BC%88%E4%BC%98%E5%8C%96%E7%BD%91%E9%A1%B5%EF%BC%89.user.js
// @updateURL https://update.greasyfork.icu/scripts/502481/Douyin%20live%20stream%20optimization%EF%BC%88%E4%BC%98%E5%8C%96%E7%BD%91%E9%A1%B5%EF%BC%89.meta.js
// ==/UserScript==

(function() {
    'use strict';

    /** ==================== 1. 检测目标元素，必要时刷新页面 ==================== */
    let reloadAttempts = sessionStorage.getItem('reloadAttempts') || 0;
    reloadAttempts = parseInt(reloadAttempts, 10);

    function checkAndRefresh() {
        setInterval(() => {
            const element = document.querySelector("div.VWYUmq06.a3Ph99PF");
            if (element) {
                console.log("检测到目标元素，刷新页面...");
                location.reload();
            } else {
                console.log("未检测到目标元素，继续检查...");
            }
        }, 1000);
    }

    checkAndRefresh();  // 立即开始检查

    /** ==================== 2. 其他优化功能 ==================== */
    function simulateBKeyPress() {
        var event = new KeyboardEvent('keydown', {
            key: 'b',
            code: 'KeyB',
            keyCode: 66,
            charCode: 0,
            which: 66,
            shiftKey: false,
            ctrlKey: false,
            metaKey: false,
            bubbles: true
        });
        document.dispatchEvent(event);
        console.log('模拟按下 B 键');
    }

    function clickButton() {
        var button = document.querySelector('.psKR9RS0 .WoNKVQmY.Z20k_Nsy');
        if (button) {
            button.click();
            console.log('按钮已点击');
        } else {
            console.log('按钮未找到');
        }
    }

    function removeElement(selector, message) {
        var element = document.querySelector(selector);
        if (element) {
            element.remove();
            console.log(message + ' 已删除');
        } else {
            console.log('未找到 ' + message);
        }
    }

    function removeSpecialContent() {
        document.querySelectorAll('div._192Y0el > div.ljM5iqdR').forEach(e => e.remove());
        console.log('特殊内容已删除');
        removeElement('.LE4P00KT', '新的指定元素 1');
        removeElement('.mDjtvQMS.GiftEffectPlugin', '新的指定元素 2');
    }

    function clickNewElement() {
        var newElement = document.querySelector('.D7UhJyco');
        if (newElement) {
            newElement.click();
            console.log('新的指定元素已点击');
        } else {
            console.log('未找到新的指定元素');
        }
    }

    /** ==================== 3. 延迟执行任务 ==================== */
    setTimeout(simulateBKeyPress, 5000);
    setTimeout(clickButton, 5000);
    setTimeout(removeSpecialContent, 5000);

    /** ==================== 4. 定时任务，避免无限循环 ==================== */
    let counter = 0;
    const maxTries = 10;
    const interval = setInterval(() => {
        removeElement('.LE4P00KT', '新的指定元素 1');
        clickNewElement();
        counter++;
        if (counter >= maxTries) clearInterval(interval);
    }, 1000);

})();